Greenville, ME Weather & Growing Conditions
This Afternoon
59°F
Sunny
Sunny, with a high near 59. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Sunny | 3 mph NW | 0% |
| Tonight | 43°F | Mostly Cloudy | 0 to 7 mph NE | 0% |
| Sunday | 55°F | Cloudy then Chance Light Rain | 7 to 10 mph S | 25% |
| Sunday Night | 41°F | Slight Chance Light Rain then Patchy Fog | 2 to 7 mph SW | 23% |
| Monday | 58°F | Patchy Fog then Mostly Sunny | 5 to 10 mph N | 1% |
| Monday Night | 36°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Tuesday | 59°F | Patchy Frost then Sunny | 3 mph N | 0% |
| Tuesday Night | 37°F | Mostly Clear | 3 mph N | 0% |
| Wednesday | 62°F | Sunny | 2 mph NE | 0% |
| Wednesday Night | 37°F | Mostly Clear | 0 mph | 0% |
| Thursday | 65°F | Sunny | 1 mph NE | 1% |
| Thursday Night | 39°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph NE | 16% |
| Friday | 63°F | Slight Chance Rain Showers | 5 mph N | 20% |
| Friday Night | 41°F | Chance Rain Showers | 6 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenville, ME
Last spring frost
May 23
First fall frost
Sep 29
Growing season
128 days
Hardiness zone
4b
Explore more for Greenville, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Brassua Dam, Me (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.